In Defense of Dangerous Ideas

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In every age, taboo questions raise our blood pressure and threaten moral panic. But we cannot be afraid to answer them.
By Steven Pinker

...By "dangerous ideas" I don't have in mind harmful technologies, like those behind weapons of mass destruction, or evil ideologies, like those of racist, fascist or other fanatical cults. I have in mind statements of fact or policy that are defended with evidence and argument by serious scientists and thinkers but which are felt to challenge the collective decency of an age. The ideas listed above, and the moral panic that each one of them has incited during the past quarter century, are examples. Writers who have raised ideas like these have been vilified, censored, fired, threatened and in some cases physically assaulted.

[This essay was first posted at Edge (www.edge.org) and is reprinted with permission. It is the Preface to the book 'What Is Your Dangerous Idea?: Today's Leading Thinkers on the Unthinkable,' published by HarperCollins.]